Use our Ball Coach Ball Selector to help you select the best Seismic bowling ball for the conditions you are bowling on. This program uses your "Rev to Speed Ratio" which can be easily calculated by dividing your rev rate (in RPM) by your ball speed (in MPH).

If you see this message, it means that your browser doesn't support frames or they are disabled.

Our Ball Coach will suggest 1 to 2 balls for you, but we always recommend that you check with your local Pro Shop Operator that this ball will be right for you.